Linguistic rights mean using and learning languages personally, publicly, and freely. And it means the right to exchange with them. Minority declared the right not to be discriminated based on languages in the Universal Declaration of Human Rights. After this, problems for linguistic minorities were raised in the two declarations. They are legally non-binding, but they are meaningful in that the problems about languages were raised. And they formed the foundation of the Universal Declaration of linguistic rights. Canada implemented pioneering multicultural policies. It evaluated multiculture with social resources and implemented active policies and heritage language education. However, it currently suspended heritage language education because dissent of it was strong in it. It is difficult to keep minorities' linguistic rights. Discussion on linguistic rights has not begun in Korea. Heritage language education has been implemented focusing on the Korean language. it has been a little bit done in the Japanese language. Korea has little interest in heritage language education of various languages. The Linguistic rights Society was established in Japan in 1998 and discussion on linguistic rights has been actively done. Heritage language education is done focusing on the Japanese language, but in some areas, heritage language education of Chinese, Spanish, Korean, etc. Heritage language education is good to be implemented in the public education system.